package exception;


import java.io.FileOutputStream;
import java.io.IOException;

public class AutoCloseDemo {
    public static void main(String[] args) {
        System.out.println("开始");
        try(FileOutputStream fos=new FileOutputStream("fos.dat");){
           fos.write(1);
        }catch (IOException B){
            B.printStackTrace();
        }
        System.out.println("结束");
    }
}
